var ns4 = document.layers;
var op5 = (navigator.userAgent.indexOf("Opera 5")!=-1)||(navigator.userAgent.indexOf("Opera/5")!=-1);
var op6 = (navigator.userAgent.indexOf("Opera 6")!=-1)||(navigator.userAgent.indexOf("Opera/6")!=-1);
var agt=navigator.userAgent.toLowerCase();
var mac = (agt.indexOf("mac")!=-1);
var ie = (agt.indexOf("msie") != -1); 
var mac_ie = mac && ie;

var imageWin = null;

function getRealLeft(el) {
    xPos = el.offsetLeft;
    tempEl = el.offsetParent;
    while (tempEl != null) {
        xPos += tempEl.offsetLeft;
        tempEl = tempEl.offsetParent;
    }
    return xPos;
}

function getRealTop(el) {
    yPos = el.offsetTop;
    tempEl = el.offsetParent;
    while(tempEl != null){
        yPos += tempEl.offsetTop;
        tempEl = tempEl.offsetParent;
    }
    return yPos;
}

function showHideMenuNode(node_id, image_id){
        n = document.getElementById(node_id);
        i = document.getElementById(image_id);
        if(n){
                n.style.display = n.style.display == "none" ? "block" : "none";
                if(i){
                        i.src = n.style.display == "none" ? skin_images + "/menu_tree_plus.gif" : skin_images + "/menu_tree_minus.gif";
                }
        }
}


function getElementHeight(Elem) {
        if(ns4){
                var elem = document.getElementById(Elem);
                return elem.clip.height;
        } else {
                if(document.getElementById) {
                        var elem = document.getElementById(Elem);
                } else if (document.all){
                        var elem = document.all[Elem];
                }
                if (op5) { 
                        xPos = elem.style.pixelHeight;
                } else {
                        xPos = elem.offsetHeight;
                }
                return xPos;
        } 
}

function getElementWidth(Elem) {
        if (ns4) {
                var elem = document.getElementById(Elem);
                return elem.clip.width;
        } else {
                if(document.getElementById) {
                        var elem = document.getElementById(Elem);
                } else if (document.all){
                        var elem = document.all[Elem];
                }
                if (op5) {
                        xPos = elem.style.pixelWidth;
                } else {
                        xPos = elem.offsetWidth;
                }
                return xPos;
        }
}


if(document.layers){
        _browser = "nn";
}
if(document.all){
        _browser = "ie";
}
if(navigator.userAgent.toLowerCase().match("gecko")){
        _browser= "gecko";
}
function isEmail(entry){
        var rex= /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,5})(\]?)$/;
        return rex.test(entry);
}

function delay(gap){ /* gap is in millisecs */
        var then, now; 
        then = new Date().getTime();
        now = then;
        while((now-then) < gap){
                now=new Date().getTime();
        }
}

function showImage(image_url, image_width, image_height){
        image_width = image_width == "" ? 400 : image_width;
        image_height = image_height == "" ? 380 : image_height;

        var w = screen.width;
        var h = screen.height;
        var ww = image_width * 1 + 30;
        var wh = image_height * 1 + 45;
        var wx = (w - ww)/2;
        var wy = (h - wh)/2;
        
        if(imageWin != null){
                imageWin.close();
        }
        imageWin = null;
        imageWin = window.open(
                "", 
                "ProductImageWindow", 
                "titlebar=yes, toolbar=no, menubar=no, status=no, directories=no, resizable=yes, scrollbars=yes, top=" + wy.toString() + ", left=" + wx.toString() + ", width=" + ww.toString() + ", height=" + wh.toString() + ""
        );
        while(imageWin==null);
        imageWin.focus();
        
        imageWin.document.body.innerHTML = "";
        imageWin.document.write('<body style="padding:5px;margin:0px">');
        imageWin.document.write('<div align="center"><img hspace="0" vspace="0" src="' + image_url + '"></div><br/>');
        imageWin.document.write('<div align="center" style="font-family:arial;font-color:black;font-size:11px;"><a href="javascript:window.close();" style="color:#0000AA;">'+closeWindow+'</a></div>');
        imageWin.document.write('</body>');
        imageWin.width = ww;
        imageWin.height = wh;
}

function showPrinterPage(url){
        var prWin = null;
        prWin = window.open(
                url,
                "PrintVer", 
                "titlebar=yes, toolbar=no, menubar=yes, status=yes, directories=no, resizable=yes, scrollbars=yes, top=20, left=20, width=810, height=600"
        );
        while(prWin==null);
        prWin.focus();
}

function OnButton(bt){
        document.images[bt].src = skin_images + bt + "_on.gif";
        
}
function OffButton(bt){
        document.images[bt].src = skin_images + bt + "_off.gif";
}

function OnMenu(cid){
        document.images["menul_" + cid].src = skin_images + "catl_bg_on.gif";
        document.all["menur_" + cid].background = skin_images + "catr_bg_on.gif";
}
function OffMenu(cid){
        document.images["menul_" + cid].src = skin_images + "catl_bg_off.gif";
        document.all["menur_" + cid].background = skin_images + "catr_bg_off.gif";
}
var RecentTimeOut, CartTimeOut;

function ShowCart(){
        window.clearTimeout(CartTimeOut);
        if(_browser == "ie"){
                cartDiv.style.visibility = 
                        cartDiv.style.visibility == "hidden"?"visible":"hidden";
                        document.images["cartImage"].src =
                                cartDiv.style.visibility == "hidden"?
                                (skin_images + "ic_expand.gif"):
                                (skin_images + "ic_collapse.gif");
        }
        else if(_browser == "gecko"){
                document.getElementById('cartDiv').style.visibility = 
                        document.getElementById('cartDiv').style.visibility == "hidden"?"visible":"hidden";
                document.images["cartImage"].src =
                        document.getElementById('cartDiv').style.visibility == "hidden"?
                        (skin_images + "ic_expand.gif"):
                        (skin_images + "ic_collapse.gif");
        }
        else{
                document.cartDiv.visibility = document.cartDiv.visibility  == "hidden"?"visible":"hidden";
        }
}


function ShowRecent(){
        window.clearTimeout(RecentTimeOut);
        if(_browser == "ie"){
                recentDiv.style.visibility = 
                        recentDiv.style.visibility == "hidden"?"visible":"hidden";
                document.images["recentImage"].src =
                        recentDiv.style.visibility == "hidden"?
                        (skin_images + "ic_expand.gif"):
                        (skin_images + "ic_collapse.gif");
        }
        else if(_browser == "gecko"){
                document.getElementById('recentDiv').style.visibility = 
                        document.getElementById('recentDiv').style.visibility == "hidden"?"visible":"hidden";
                document.images["recentImage"].src =
                        document.getElementById('recentDiv').style.visibility == "hidden"?
                        (skin_images + "ic_expand.gif"):
                        (skin_images + "ic_collapse.gif");
        }
        else{
                document.recentDiv.visibility = document.recentDiv.visibility  == "hidden"?"visible":"hidden";
        }
}

function PopUpCart(){
        CartTimeOut = window.setTimeout('ShowCart();', 1000);
}

function PopUpRecent(){
        RecentTimeOut = window.setTimeout('ShowRecent();', 1000);
}

function OnMenu(img){
        document.images[img].src = skin_images + "menu_arrow_on.gif";
}
function OffMenu(img){
        document.images[img].src = skin_images + "menu_arrow.gif";
}

function ShowPopup(src){
        var bWin = null;
        bWin = window.open(
                src, 
                "PopupWind", 
                "titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width=320, height=240"
        );
        while(bWin==null);
        bWin.focus();
}

function PopUpImage(image_source, image_width, image_height){
        var bWin = null;
        bWin = window.open(
                image_source, 
                "ImageWind", 
                "titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width=" + (image_width + 20) + ", height=" + (image_height + 20)
        );
        while(bWin==null);
        bWin.focus();
}

function ConfirmLogout(){
        if(orderItemsCount > 0){
                if(confirm(msg_confirm_logout_cart_not_empty)){
                        document.location = urlLogout;
                }
        }
        else{
                if(confirm(msg_javascript_confirm_logout)){
                        document.location = urlLogout;
                }
        }
}

function CartConfirmDeleteItem(ocid){
        if(confirm(msg_confirm_delete_item)){
                document.location = CartDeleteItemUrl + '&ocid=' + ocid;
        }
}
function CartConfirmEmpty(){
        if(confirm(msg_confirm_empty_cart)){
                document.location = CartEmptyUrl;
        }
}
